http://archive.freep.com/VideoNetwork/2205452447001/In-cop-car-grandma-murder-suspect-screams-for-help-waterrtmp://cp81310.edgefcs.net/ondemand/&mp4:brightcove/35547428001/35547428001_2205509398001_trim-LQwg7C.mp4http://archive.freep.com/VideoNetwork/2205452447001/In-cop-car-grandma-murder-suspect-screams-for-help-waterhttp://bcdownload.gannett.edgesuite.net/detroitfreep/35547428001/35547428001_2205467436001_902791654-336-1362524012380.jpgIn cop car, grandma murder suspect screams for help, waterWest Bloomfield grandmother Sandra Layne is videotaped after being put in the back of police cruiser the day she shot her grandson to death. The video is shown during Layne's trial. MANDI WRIGHT/DFP6566sandra layneNewsiphoneapp_mainDFP05:34